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What's more important, water on the moon or on Mars?
science.howstuffworks.com/water-moon-mars.htm
The existence of water on the moon and Mars is explained in this article. Learn about water on the moon and Mars.
Can You Name All of These NFL Wide Receivers From a Photo?
play.howstuffworks.com/quiz/can-you-name-all-of-these-nfl-wide-receivers-from-a-photo
The career of an NFL wide receiver can be filled with both glamor and strife. How well do you know the wide receivers of the NFL? Take this quiz and find out!
Test Your Firefighting Knowledge With This Quiz
play.howstuffworks.com/quiz/test-your-firefighting-knowledge-with-this-quiz
It's not everyone who can put their own life on the line and run into a fire to save a stranger, but that's what firefighters sign up to do. How much do you really know about firefighting? Take the quiz and see!
Can You Pass the Hardest NBA Quiz We Have Ever Written?
play.howstuffworks.com/quiz/can-you-pass-the-hardest-nba-quiz-we-have-ever-written
There are currently 30 NBA teams and about 500 players in the league, but there have been more than 3,000 players in the history of the NBA and dozens of teams. That's a lot of stats, a lot of stories and a lot of wins, losses and legends. Let's see what you know.
How Removable Storage Works
computer.howstuffworks.com/removable-storage.htm
Removable memory has unchained us from our PCs -- we can now carry gigabytes of data wherever we go, in a device the size of a matchbox. Learn about the three major digital storage technologies.
How the Sun Works
science.howstuffworks.com/sun.htm
The sun warms our planet every day, provides the light by which we see and is necessary for life on Earth. Learn about the sun.
How Oil Tankers Work
science.howstuffworks.com/transport/engines-equipment/oil-tanker.htm
Oil tankers are large ships that transport oil all over the world. Learn about oil tankers in this article from HowStuffWorks.
How Tipping Works
people.howstuffworks.com/tipping.htm
Tipping is a multibillion-dollar industry that varies around the globe. Learn more about how tipping works in the United States and internationally.
How Neopets.com Works
electronics.howstuffworks.com/neopet.htm
Peek behind the scenes at the creators and owners of Neopets and explore the controversies that surround the site.
10 Health Benefits of Swimming
health.howstuffworks.com/wellness/aging/retirement/10-health-benefits-of-swimming.htm
There are many health benefits of swimming, including improved heart health and muscle tone. See 10 health benefits of swimming to learn more.